%% You should probably cite draft-ietf-roll-applicability-ami instead of this I-D.
@techreport{popa-roll-applicability-ami-00,
    number =    {draft-popa-roll-applicability-ami-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-popa-roll-applicability-ami/00/},
    author =    {Daniel Popa and Jonathan Hui and Ruben Salazar and Nicolas Dejean and Jorjeta Jetcheva},
    title =     {{Applicability Statement for the Routing Protocol for Low Power and Lossy Networks (RPL) in AMI Networks}},
    pagetotal = 13,
    year =      2011,
    month =     jun,
    day =       23,
    abstract =  {This document discusses the applicability of RPL in Advanced Metering Infrastructure (AMI) networks.},
}