%% You should probably cite rfc6615 instead of this I-D.
@techreport{ietf-ipfix-rfc5815bis-01,
    number =    {draft-ietf-ipfix-rfc5815bis-01},
    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-rfc5815bis/01/},
    author =    {Atsushi Kobayashi and Benoît Claise and Gerhard Muenz and Thomas Dietz},
    title =     {{Definitions of Managed Objects for IP Flow Information Export}},
    pagetotal = 68,
    year =      2012,
    month =     jan,
    day =       20,
    abstract =  {This document defines managed objects for IP Flow Information eXport (IPFIX). These objects provide information for monitoring IPFIX Exporters and IPFIX Collectors including the basic configuration information.},
}