@misc{cryptoeprint:2011:607,
    author = {Carlos {Aguilar Melchor} and Slim Bettaieb and Philippe Gaborit and Javier Herranz},
    title = {Improving Additive and Multiplicative Homomorphic Encryption Schemes Based on Worst-Case Hardness Assumptions}},
    howpublished = {Cryptology ePrint Archive, Report 2011/607},
    year = {2011},
    url = {http://eprint.iacr.org/2011/607},
}