%% You should probably cite draft-ietf-sidrops-rpkimaxlen instead of this I-D.
@techreport{yossigi-rpkimaxlen-01,
    number =    {draft-yossigi-rpkimaxlen-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-yossigi-rpkimaxlen/01/},
    author =    {Yossi Gilad and Sharon Goldberg and Kotikalapudi Sriram and Job Snijders},
    title =     {{The Use of Maxlength in the RPKI}},
    pagetotal = 10,
    year =      2017,
    month =     sep,
    day =       7,
    abstract =  {This document recommends that operators avoid using the maxLength attribute when issuing Route Origin Authorizations (ROAs) in the Resource Public Key Infrastructure (RPKI). These recommendations complement those in {[}RFC7115{]}.},
}