%% You should probably cite rfc7125 instead of this I-D.
@techreport{trammell-ipfix-tcpcontrolbits-revision-05,
    number =    {draft-trammell-ipfix-tcpcontrolbits-revision-05},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-trammell-ipfix-tcpcontrolbits-revision/05/},
    author =    {Brian Trammell and Paul Aitken},
    title =     {{Revision of the tcpControlBits IP Flow Information Export (IPFIX) Information Element}},
    pagetotal = 6,
    year =      2013,
    month =     dec,
    day =       4,
    abstract =  {This document revises the tcpControlBits IP Flow Information Export (IPFIX) Information Element as originally defined in RFC 5102 to reflect changes to the TCP Flags header field since RFC 793.},
}