Wang, Yongge; Nicol, Tony (2014). "Statistical Properties of Pseudo Random Sequences and Experiments with PHP and Debian OpenSSL". Computer Security - ESORICS 2014. Lecture Notes in Computer Science. Vol. 8712. pp. 454–471. doi:10.1007/978-3-319-11203-9_26. ISBN978-3-319-11202-2.
Beth, Thomas; Dai, Zong-Duo (1990). "On the Complexity of Pseudo-Random Sequences - or: If You Can Describe a Sequence It Can't be Random". Advances in Cryptology — EUROCRYPT '89. Lecture Notes in Computer Science. Vol. 434. pp. 533–543. doi:10.1007/3-540-46885-4_51. ISBN978-3-540-53433-4.
Wang, Yongge (1999). "Linear Complexity versus Pseudorandomness: On Beth and Dai's Result". Advances in Cryptology - ASIACRYPT'99. Lecture Notes in Computer Science. Vol. 1716. pp. 288–298. doi:10.1007/978-3-540-48000-6_23. ISBN978-3-540-66666-0.