@misc{cryptoeprint:2006:423,
    author = {Masayuki Abe and Serge Fehr},
    title = {Perfect NIZK with Adaptive Soundness},
    howpublished = {Cryptology ePrint Archive, Report 2006/423},
    year = {2006},
    url = {http://eprint.iacr.org/2006/423},
}