%% You should probably cite rfc8215 instead of this I-D.
@techreport{ietf-v6ops-v4v6-xlat-prefix-01,
    number =    {draft-ietf-v6ops-v4v6-xlat-prefix-01},
    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-v6ops-v4v6-xlat-prefix/01/},
    author =    {Tore Anderson},
    title =     {{Local-use IPv4/IPv6 Translation Prefix}},
    pagetotal = 7,
    year =      2017,
    month =     may,
    day =       12,
    abstract =  {This document reserves the IPv6 prefix 64:ff9b:1::/48 for local use within domains that enable IPv4/IPv6 translation mechanisms.},
}