@misc{cryptoeprint:2015:1061,
    author = {Tianren Liu and Vinod Vaikuntanathan},
    title = {On Basing Private Information Retrieval on NP-Hardness},
    howpublished = {Cryptology ePrint Archive, Report 2015/1061},
    year = {2015},
    url = {https://eprint.iacr.org/2015/1061},
}