@misc{cryptoeprint:2005:148,
    author = {Toshihiko Matsuo and Shin'ichiro Matsuo},
    title = {On Universal Composable Security of Time-Stamping Protocols},
    howpublished = {Cryptology ePrint Archive, Report 2005/148},
    year = {2005},
    url = {http://eprint.iacr.org/2005/148},
}