@misc{cryptoeprint:2017:568,
    author = {Ran Canetti and Justin Holmgren and Silas Richelson},
    title = {Towards Doubly Efficient Private Information Retrieval},
    howpublished = {Cryptology ePrint Archive, Report 2017/568},
    year = {2017},
    url = {https://eprint.iacr.org/2017/568},
}