Here you will find the Repbase Update collection.
You can either download the entire collection:

• EMBL format (15.49 MB) 08-12-2008:
  Mirror: RepBase13.07.embl.tar.gz (Faster download speed)
  Local: RepBase13.07.embl.tar.gz

• FASTA format (7.65 MB) 08-12-2008:
  Mirror: RepBase13.07.fasta.tar.gz (Faster download speed)
  Local: RepBase13.07.fasta.tar.gz

• Repeatmasker edition
  • Mirror:repeatmaskerlibraries-20080611.tar.gz
    Local:repeatmaskerlibraries-20080611.tar.gz (7.82 MB)
    
  • Mirror:repeatmaskerlibraries-20080801.tar.gz
    Local:repeatmaskerlibraries-20080801.tar.gz (8.41 MB)
    

then use:

        gunzip RepBase13.07.embl.tar.gz
        tar xvf RepBase13.07.embl.tar

or, if you have gtar installed:

        gtar -zxvf RepBase13.07.embl.tar.gz

to untar and uncompress it;

or you can download each section separately from the subdirectories:

• RepBase13.07.embl 08-12-2008
  
• RepBase13.07.fasta 08-12-2008