1. eSTREAM: the ECRYPT Stream Cipher Project,
http://www.ecrypt.eu.org/stream
2. Bernstein, D.J.: Hash functions and ciphers. In Notes on the ECRYPT Stream Cipher Project (eSTREAM),
http://cr.yp.to/streamciphers/why.html
3. Bernstein, D.J.: eBACS: ECRYPT Benchmarking of Cryptographic Systems,
http://bench.cr.yp.to/results-stream.html
4. Lecture Notes in Computer Science;D.J. Bernstein,2008
5. Bernstein, D.J.: ChaCha, a variant of Salsa20. Workshop Record of SASC 2008: The State of the Art of Stream Ciphers,
http://cr.yp.to/papers.html#chacha