@misc{cryptoeprint:2003:260,
    author = {Xinjun Du, Ying Wang, Jianhua Ge, Yumin Wang},
    title = {An Improved ID-based Authenticated Group Key Agreement Scheme},
    howpublished = {Cryptology ePrint Archive, Report 2003/260},
    year = {2003},
    url = {http://eprint.iacr.org/2003/260},
}