@misc{cryptoeprint:2007:075,
    author = {Gautham Sekar and Souradyuti Paul and Bart Preneel},
    title = {Weaknesses in the Pseudorandom Bit Generation Algorithms of the Stream Ciphers TPypy and TPy},
    howpublished = {Cryptology ePrint Archive, Report 2007/075},
    year = {2007},
    url = {http://eprint.iacr.org/2007/075},
}