@misc{cryptoeprint:2013:044, author = {Fangguo Zhang and Xu Ma and Shengli Liu}, title = {Efficient Computation Outsourcing for Inverting a Class of Homomorphic Functions}, howpublished = {Cryptology ePrint Archive, Report 2013/044}, year = {2013}, url = {http://eprint.iacr.org/2013/044}, }