1. Seminumerical Algorithms;Knuth,1981
2. On the generation-of cryptographically strong pseudorandom sequences;Shamir,1981
3. Probabilistic encryption;Goldwasser;J. Comput. System Sci.,1984
4. How to generate crytographically strong sequences of pseudorandom bits;Blum;SIAM J. Comput.,1984
5. Theory and applications of trapdoor functions;Yao,1982