@misc{cryptoeprint:2011:595,
    author = {Helger Lipmaa},
    title = {Efficient Multi-Query CPIR from Ring-LWE},
    howpublished = {Cryptology ePrint Archive, Report 2011/595},
    year = {2011},
    url = {http://eprint.iacr.org/2011/595},
}