@misc{cryptoeprint:2012:240,
    author = {Craig Gentry and Shai Halevi and Nigel P. Smart},
    title = {Ring Switching in BGV-Style Homomorphic Encryption},
    howpublished = {Cryptology ePrint Archive, Report 2012/240},
    year = {2012},
    url = {http://eprint.iacr.org/2012/240},
}