@misc{cryptoeprint:2009:429,
    author = {Ning Ding and Dawu Gu},
    title = {Precise Time and Space Simulatable Zero-Knowledge},
    howpublished = {Cryptology ePrint Archive, Report 2009/429},
    year = {2009},
    url = {http://eprint.iacr.org/2009/429},
}