RESTful pagination routes using will_paginate

I have nested routes like this : map.resources :foo do |foo| foo.resources :bar do |bar| bar.resources :baz end end i have list with pagination in the index action for each resource, i need to caches each of this pages, to do so i need the routes to be RESTful, how do i implements REFTful routes for it? for example i want the route will be like this : http://www.example.com/foo/:id/pages/:page_num