@misc{cryptoeprint:2015:883,
    author = {Avijit Dutta and Goutam Paul},
    title = {Revisiting Sum of CBC-MACs and Extending NI2-MAC to Achieve Beyond-Birthday Security},
    howpublished = {Cryptology ePrint Archive, Report 2015/883},
    year = {2015},
    url = {https://eprint.iacr.org/2015/883},
}