app/views/devise/unlocks/new.html.erb
<h2>Resend unlock instructions</h2>
<%= form_for(resource, :as => resource_name, :url => unlock_path(resource_name)) do |f| %>
<%= devise_error_messages! %>
<p><%= f.label :email %></p>
<p><%= f.email_field :email %></p>
<p><%= f.submit "Resend unlock instructions" %></p>
<% end %>
<%= render :partial => "devise/shared/links" %>