@misc{cryptoeprint:2019:249,
    author = {Srimanta Bhattacharya and Mridul Nandi},
    title = {Revisiting Variable Output Length XOR Pseudorandom Function},
    howpublished = {Cryptology ePrint Archive, Report 2019/249},
    year = {2019},
    url = {https://eprint.iacr.org/2019/249},
}