%% You should probably cite rfc7133 instead of this I-D.
@techreport{ietf-ipfix-data-link-layer-monitoring-04,
    number =    {draft-ietf-ipfix-data-link-layer-monitoring-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-ietf-ipfix-data-link-layer-monitoring/04/},
    author =    {Shingo Kashima and Atsushi Kobayashi and Paul Aitken},
    title =     {{Information Elements for Data Link Layer Traffic Measurement}},
    pagetotal = 33,
    year =      2013,
    month =     sep,
    day =       30,
    abstract =  {This document describes Information Elements related to data link layer. They are used by the IP Flow Information Export (IPFIX) protocol for encoding measured data link layer traffic information.},
}