%% You should probably cite draft-bertz-dime-policygroups-06 instead of this revision.
@techreport{bertz-dime-policygroups-04,
    number =    {draft-bertz-dime-policygroups-04},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-bertz-dime-policygroups/04/},
    author =    {Lyle Bertz and Mark Bales},
    title =     {{Diameter Policy Groups and Sets}},
    pagetotal = 11,
    year =      2017,
    month =     jun,
    day =       30,
    abstract =  {This document defines optional Diameter attributes for efficient policy provisioning.},
}