@misc{cryptoeprint:2010:494,
    author = {Jianjie Zhao, Dawu Gu and M. Choudary Gorantla},
    title = {Stronger Security Model of Group Key Agreement},
    howpublished = {Cryptology ePrint Archive, Report 2010/494},
    year = {2010},
    url = {http://eprint.iacr.org/2010/494},
}