@misc{cryptoeprint:2001:093,
    author = {Jonathan Katz and Moti Yung},
    title = {Threshold Cryptosystems Based on Factoring},
    howpublished = {Cryptology ePrint Archive, Report 2001/093},
    year = {2001},
    url = {http://eprint.iacr.org/2001/093},
}