@misc{cryptoeprint:2006:102,
    author = {Tatsuaki Okamoto},
    title = {Efficient Blind and Partially Blind Signatures Without Random Oracles},
    howpublished = {Cryptology ePrint Archive, Report 2006/102},
    year = {2006},
    url = {http://eprint.iacr.org/2006/102},
}