[1] A. J. Menezes, P. C. van Oorschot, and S. A. Vanstone, Handbook of Applied Cryptography (CRC Press, Boca Raton, FL, 2001).

[2] C. S. Pertie and J. A. Connelly, IEEE Trans. Circuits. Syst. I 47, 615 (2000).

[3] G. M. Bernstein and M. A. Lieberman, IEEE Trans. Circuits Syst. 37, 1157 (1990).

[4] T. Jennewein, U. Achleitnert, G. Weihs, H. Weinfurtert, and A. Zeilinger, Rev. Sci. Instrum. 71, 1675 (2009).

[5] Y. C. Wang, J. H. Tang, and M. J. Zhang, "True random code generator based on chaotic laser and its producing random code method" (in Chinese) Chinese Patent ZL200710062140.1 (2007).

[6] A. Uchida, K. Amano, M. Inoue, K. Hirano, S. Naito, H. Someya, I. Oowada, T. Kurashige, and M. Shiki, Nature Photon. 2, 728 (2008).

[7] I. Reidler, Y. Aviad, M. Rosenbluh, and I. Kanter, Phys. Rev. Lett. 103, 024102 (2009).

[8] I. Kanter, Y. Aviad, I. Reidler, E. Cohen, and M. Rosenbluh, Nature Photon. 4, 58 (2010).

[9] K. Hirano, T. Yamazaki, S. Morikatsu, H. Okumura, H. Aida, A. Uchida, S. Yoshimori, K. Yoshimura, T. Harayama, and P. Davis, Opt. Express 18, 5512 (2010).

[10] H. Kong, Z. Wu, J. Wu, X. Lin, Y. Xie, and G. Xia, Chinese J. Lasers (in Chinese) 33, 1490 (2006).

[11] L. Cao, T. Deng, X. Lin, J. Wu, G. Xia, and Z. Wu, Chinese J. Lasers (in Chinese) 37, 939 (2010).

[12] Y. L. Fan and J. M. Liu, IEEE J. Quantum Electron. 39, 562 (2003).

[13] A. Wang, Y. Wang, and H. He, IEEE Photon. Technol. Lett. 20, 1633 (2008).

[14] A. Rukhin, J. Soto, J. Nechvatal, M. Smid, E. Barker, S. Leigh, M. Levenson, M. Vangel, D. Banks, A. Heckert, J. Dray, and S. Vo, "A statistical test suite for random and pseudorandom number generators for cryptographic applications" National Institute of Standards and Technology, Special Publication(revision)800-22 (2008).