optimize your pages with keyword rich content. get back links for your pages.. submit your internal pages in deeplinking sites and social bookmarking sites update on a regular basis... Cheers,
You also submit your site any many directories as your relevent category and make backlinks for high pr sites. You also try blog comment posting on high PR that's work good for your rank.
get backlink from high PR site. and use firefox plugin like seoquake,donofollow which assist in building backlink at blog.
Or just hang out for five years. Age has a lot to do with PR. Also, don't confuse page rank with your SERP rankings. They are based on very different things, so don't get too hung up on PR if you're just trying to rank high.