If you can't do so because of a proxy, just set the environmentvariable HTTP_PROXY to http://yourproxy:proxyPort/, eg.
Linux: export HTTP_PROXY=http://myproxy:8080/
Win32: set HTTP_PROXY=http://myproxy:8080/ and try again...

Best regards,
perl -e "print a|r,p|d=>b|p=>chr 3**2 .7=>t and t"