@misc{cryptoeprint:2011:100,
    author = {Guangdong Yang and Shaohua Tang and Li Yang},
    title = {A Novel Group Signature Scheme Based on MPKC},
    howpublished = {Cryptology ePrint Archive, Report 2011/100},
    year = {2011},
    url = {http://eprint.iacr.org/2011/100},
}