@misc{cryptoeprint:2007:017,
    author = {Bo Qin and Qianhong Wu and Willy Susilo and Yi Mu and Yumin Wang},
    title = {Group Decryption},
    howpublished = {Cryptology ePrint Archive, Report 2007/017},
    year = {2007},
    url = {http://eprint.iacr.org/2007/017},
}