NIST Special Publication 800-90. Recommendation for Random Number Generation Using Deterministic Random Bit Generators.
Cryptanalytic Attacks on Pseudorandom Number Generators. J. Kelsey, B. Schneier, D. Wagner, and C. Hall.
Analysis of the Linux Random Number Generator. Zvi Gutterman, Benny Pinkas, Tzachy Reinman.
Cryptanalysis of the Random Number Generator of the Windows Operating System. Leo Dorrendorf, Zvi Gutterman, Benny Pinkas.
bruce schneier about a security flaw (backdoor) in nsa's random-number generator dual_ec_drbg.