%% You should probably cite draft-zzhang-idr-bgp-rt-constrains-extension-03 instead of this revision.
@techreport{zzhang-idr-bgp-rt-constrains-extension-00,
    number =    {draft-zzhang-idr-bgp-rt-constrains-extension-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-zzhang-idr-bgp-rt-constrains-extension/00/},
    author =    {Zhaohui (Jeffrey) Zhang and Jeffrey Haas},
    title =     {{Route Target Constrain Extension}},
    pagetotal = 5,
    year =      ** No value found for 'doc.pub_date.year' **,
    month =     ** No value found for 'doc.pub_date' **,
    day =       ** No value found for 'doc.pub_date.day' **,
    abstract =  {This document specifies the extensions to Route Target Constrain mechanism so that it works with various types of Route Targets of arbitrary lengths.},
}