%% You should probably cite rfc7857 instead of this I-D.
@techreport{ietf-tsvwg-behave-requirements-update-08,
    number =    {draft-ietf-tsvwg-behave-requirements-update-08},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-tsvwg-behave-requirements-update/08/},
    author =    {Reinaldo Penno and Simon Perreault and Mohamed Boucadair and Senthil Sivakumar and Kengo Naito},
    title =     {{Updates to Network Address Translation (NAT) Behavioral Requirements}},
    pagetotal = 14,
    year =      2016,
    month =     mar,
    day =       2,
    abstract =  {This document clarifies and updates several requirements of RFCs 4787, 5382, and 5508 based on operational and development experience. The focus of this document is Network Address Translation from IPv4 to IPv4 (NAT44). This document updates RFCs 4787, 5382, and 5508.},
}