@misc{cryptoeprint:2019:1256,
    author = {Elette Boyle and Justin Holmgren and Mor Weiss},
    title = {Permuted Puzzles and Cryptographic Hardness},
    howpublished = {Cryptology ePrint Archive, Report 2019/1256},
    year = {2019},
    url = {https://eprint.iacr.org/2019/1256},
}