@misc{cryptoeprint:2005:344,
    author = {Tapan Rai},
    title = {Countering chosen-ciphertext attacks against noncommutative polly cracker-type cryptosystems.},
    howpublished = {Cryptology ePrint Archive, Report 2005/344},
    year = {2005},
    url = {http://eprint.iacr.org/2005/344},
}