@misc{cryptoeprint:2004:363,
    author = {Qiang Tang and Chris J. Mitchell},
    title = {Rethinking the security of some authenticated group key agreement schemes},
    howpublished = {Cryptology ePrint Archive, Report 2004/363},
    year = {2004},
    url = {http://eprint.iacr.org/2004/363},
}