@misc{cryptoeprint:2008:221,
    author = {Ivan Damgard and Rune Thorbek},
    title = {Efficient Conversion of Secret-shared Values Between Different Fields},
    howpublished = {Cryptology ePrint Archive, Report 2008/221},
    year = {2008},
    url = {http://eprint.iacr.org/2008/221},
}