@misc{cryptoeprint:2004:321,
    author = {Vladimir Shpilrain and Alexander Ushakov},
    title = {The conjugacy search problem in public key cryptography: unnecessary and insufficient},
    howpublished = {Cryptology ePrint Archive, Report 2004/321},
    year = {2004},
    url = {http://eprint.iacr.org/2004/321},
}