%% You should probably cite rfc7607 instead of this I-D.
@techreport{ietf-idr-as0-05,
    number =    {draft-ietf-idr-as0-05},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-idr-as0/05/},
    author =    {Warren "Ace" Kumari and Randy Bush and Heather Schiller and Keyur Patel},
    title =     {{Codification of AS 0 processing.}},
    pagetotal = 7,
    year =      2012,
    month =     may,
    day =       23,
    abstract =  {This document updates RFC 4271 and proscribes the use of AS 0 in BGP OPEN and AS\_PATH / AS4\_PATH BGP attribute.},
}