@misc{cryptoeprint:2004:336,
    author = {Stefan Wolf and J\"urg Wullschleger},
    title = {Oblivious Transfer Is Symmetric},
    howpublished = {Cryptology ePrint Archive, Report 2004/336},
    year = {2004},
    url = {http://eprint.iacr.org/2004/336},
}