@misc{cryptoeprint:2003:161,
    author = {Ueli Maurer and Renato Renner and Clemens Holenstein},
    title = {Indifferentiability, Impossibility Results on Reductions, and Applications to the Random Oracle Methodology},
    howpublished = {Cryptology ePrint Archive, Report 2003/161},
    year = {2003},
    url = {http://eprint.iacr.org/2003/161},
}