@misc{cryptoeprint:2009:485,
    author = {Zvika Brakerski and Shafi Goldwasser and Yael Kalai},
    title = {Circular-Secure Encryption Beyond Affine Functions},
    howpublished = {Cryptology ePrint Archive, Report 2009/485},
    year = {2009},
    url = {http://eprint.iacr.org/2009/485},
}