app/views/devise/passwords/new.html.erb
<h2>Forgot your password?</h2>
<%= form_for(resource, :as => resource_name, :url => password_path(resource_name), :html => {:method => :post, :class => "form-horizontal"}) do |f| %>
<fieldset>
<%= devise_error_messages! %>
<div class="control-group">
<%= f.label :email, :class => 'control-label' %>
<div class="controls">
<%= f.email_field :email, :class => 'text_field' %>
</div>
</div>
<div class="form-actions">
<%= f.submit "Send me reset password instructions", :class => "btn btn-primary" %>
<%= render "links" %>
</div>
</fieldset>
<% end %>