%% You should probably cite draft-ietf-regext-epp-fees instead of this I-D.
@techreport{brown-epp-fees-07,
    number =    {draft-brown-epp-fees-07},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-brown-epp-fees/07/},
    author =    {Gavin Brown and Jothan Frakes},
    title =     {{Registry Fee Extension for the Extensible Provisioning Protocol (EPP)}},
    pagetotal = 36,
    year =      2016,
    month =     apr,
    day =       8,
    abstract =  {This document describes an Extensible Provisioning Protocol (EPP) extension mapping for registry fees.},
}